MCQ Practice Question

A resistor dissipates 50 W while carrying 5 A. Its resistance is?

  • A0.5 ohm
  • B2 ohm
  • C10 ohm
  • D250 ohm
Report an error
Correct Answer: B. 2 ohm
Explanation: P = I^2R, so R = 50/25 = 2 ohm.
Reference: Standard network theory: power & energy
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